__inline void changeonedata(unsigned char *buff1, unsigned char *buff2)
{
	unsigned char buff;
	buff = *buff1;
	*buff1 = *buff2;
	*buff2 = buff;
}

__inline void changedata(unsigned char buff1[], unsigned char buff2[], int num)
{
	unsigned char i;
	for (i = 0;i < num;i++)
	{
		changeonedata(&buff1[i], &buff2[i]);
	}
}
